350-E-P5-G5-H-E-S-N-M-SN-D-N | GE Multilin Feeder Protection System

The GE Multilin 350-E-P5-G5-H-E-S-N-M-SN-D-N is a robust and versatile feeder protection system designed to meet the demands of medium to large-scale electrical distribution networks. Engineered to provide comprehensive control and protection functionalities, this model is equipped with a range of features that ensure reliable performance in various industrial and utility applications. The relay's advanced capabilities, including current protection, voltage monitoring, and frequency measurement, make it an ideal choice for ensuring the safety and operational stability of electrical feeders.

This model is powered by a high-voltage supply, with a voltage range of 110-230V AC or 110-250V DC. The wide voltage range makes the 350-E-P5-G5-H-E-S-N-M-SN-D-N suitable for a broad range of power environments, providing flexibility for integration into different systems. The power supply design ensures that the unit can operate efficiently under varying conditions, making it a reliable solution for critical applications in electrical distribution.

One of the key features of the GE Multilin 350-E-P5-G5-H-E-S-N-M-SN-D-N is its communication capabilities. The relay is equipped with both front and rear communication ports, which enhance its ability to interface with external devices and systems. The front port is a USB interface, allowing for quick and easy connection for local monitoring, configuration, and diagnostics. This makes it convenient for on-site personnel to interact with the relay without the need for specialized equipment.

The rear communication port is an RS485 interface that supports multiple communication protocols, including Modbus RTU, IEC60870-5-103, and DNP3.0. These protocols are widely used in industrial and utility networks, allowing the relay to integrate seamlessly with supervisory control and data acquisition (SCADA) systems, human-machine interfaces (HMIs), and other networked devices. This flexibility ensures that the 350-E-P5-G5-H-E-S-N-M-SN-D-N can be incorporated into both new and existing systems without requiring significant modifications to the network architecture.

In terms of protection features, the GE Multilin 350-E-P5-G5-H-E-S-N-M-SN-D-N is designed to provide comprehensive feeder protection. It supports overcurrent, voltage, and frequency protection, which are essential for safeguarding electrical feeders from faults and disturbances. The relay’s ability to monitor these parameters in real-time helps to ensure that any anomalies in the system are detected and addressed promptly, preventing damage to equipment and minimizing the risk of system outages. This level of protection is critical for maintaining the stability and reliability of electrical distribution systems.

The model also incorporates advanced frequency measurement capabilities. The relay measures frequency by detecting zero crossings in the Bus VT phase A voltage, ensuring accurate frequency monitoring even in environments with potential electrical noise or disturbances. The signals generated during this process are passed through a low-pass filter, which helps to eliminate false readings caused by inaccurate zero crossings. This filtering capability ensures that the relay provides precise and reliable frequency measurements, which are essential for maintaining proper system operation and avoiding unnecessary trips due to transient conditions.

The compact and durable design of the 350-E-P5-G5-H-E-S-N-M-SN-D-N makes it suitable for panel mounting, especially in retrofit or new installation projects. The withdrawable case design adds an extra layer of flexibility, allowing for easy installation and removal of the relay without disrupting the surrounding infrastructure. This feature is particularly useful in applications where space is limited or where frequent maintenance and updates to the system are required.

The hardware of the 350-E-P5-G5-H-E-S-N-M-SN-D-N is designed to handle both protection and control functions, making it a comprehensive solution for feeder management. The relay’s ability to perform both control and protection tasks simplifies the overall system design and reduces the need for multiple devices, which can help lower costs and improve system efficiency.

In addition to its hardware features, the order code of the GE Multilin 350-E-P5-G5-H-E-S-N-M-SN-D-N contains various characters that indicate specific functionalities. Each character corresponds to a different aspect of the relay’s configuration, including power supply type, current protection settings, and case design. This modular approach allows users to customize the relay to meet the specific needs of their application, ensuring that the relay provides the exact level of protection and control required for the system.

Overall, the GE Multilin 350-E-P5-G5-H-E-S-N-M-SN-D-N is a high-performance feeder protection system that offers a combination of advanced protection, control, and communication features. Its wide voltage range, flexible communication options, and comprehensive protection functionalities make it an ideal choice for medium to large-scale electrical distribution systems. Whether used in industrial or utility applications, this model ensures reliable performance, accurate monitoring, and efficient system protection. The drawout design and compact form factor further enhance its versatility, making it suitable for both new installations and retrofitting projects.

In conclusion, the GE Multilin 350-E-P5-G5-H-E-S-N-M-SN-D-N is a highly capable feeder protection system that provides essential protection for electrical distribution networks. Its robust design, flexible communication capabilities, and advanced monitoring features ensure that it can handle the demands of complex electrical systems, providing reliable and efficient protection for critical infrastructure.